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2899983 = 3966661
BaseRepresentation
bin1011000100000000001111
312110100000210
423010000033
51220244413
6142053503
733435522
oct13040017
95410023
102899983
111700889
12b7a293
137a6c88
14556bb9
153c43c3
hex2c400f

2899983 has 4 divisors (see below), whose sum is σ = 3866648. Its totient is φ = 1933320.

The previous prime is 2899943. The next prime is 2899991. The reversal of 2899983 is 3899982.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2899983 - 212 = 2895887 is a prime.

It is a D-number.

It is a Duffinian number.

2899983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2899903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483328 + ... + 483333.

It is an arithmetic number, because the mean of its divisors is an integer number (966662).

22899983 is an apocalyptic number.

2899983 is a deficient number, since it is larger than the sum of its proper divisors (966665).

2899983 is an equidigital number, since it uses as much as digits as its factorization.

2899983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966664.

The product of its digits is 279936, while the sum is 48.

The square root of 2899983 is about 1702.9336452135. The cubic root of 2899983 is about 142.6040360616.

Subtracting 2899983 from its reverse (3899982), we obtain a palindrome (999999).

The spelling of 2899983 in words is "two million, eight hundred ninety-nine thousand, nine hundred eighty-three".

Divisors: 1 3 966661 2899983